Diving into a public pool this summer? You might be plunging into a petri dish. While chlorine is the go-to germ killer, it doesn’t work instantly. Some nasty germs can survive in treated water for ...

A potentially fatal virus that causes fever, vomiting and severe watery diarrhea among small children is raging throughout Northern California, recent data shows. “It’s extremely contagious,” Dr.

For those experiencing paradoxical diarrhea, the body sends confusing signals that can leave both patients and healthcare providers perplexed. This unusual digestive condition creates a seemingly ...

Add Yahoo as a preferred source to see more of our stories on Google. Aerial shot of San Jose, Calif., at sunrise. Authorization was obtained from the FAA for this operation in restricted airspace.